Drink coaster



FIG. 1 is a top plan view showing my new drink coaster;

FIG. 2 is a left side view thereof, the right side view thereof being a mirror image of that which is shown; and,

FIG. 3 is a bottom plan view thereof.

The broken lines are for illustrative purposes only and form no part of the claimed design. 

The ornamental design of a drink coaster, as shown and described. 